In the This autumn 2025 disclosure, Jane Street and Mubadala Investment Company elevated their holdings within the BlackRock iShares Bitcoin Trust (IBIT) ETF. The allocations present continued institutional involvement in Bitcoin merchandise amidst the worth fluctuations of the coin.
Jane Street Adds 7 Million BlackRock Bitcoin ETF Shares
According to the latest SEC filing by Jane Street, its IBIT holdings grew by roughly 54% this previous quarter. This indicated that the corporate purchased over seven million new shares on this interval.
This made its complete place 20.3 million shares valued at about $790 million as of December 31, 2025. Jane Street is ranked because the fourth-largest holder of the ETF, per Quiver Quant data. At the time of acquisition, the brand new shares have been valued at some $276 million. Jane Street has elevated its holdings from about 13.2 million IBIT shares, which it had within the earlier quarter.
In addition, Jane Street has change into a distinguished institutional participant for inflows into XRP ETFs. The firm revealed shares in a number of XRP ETFs. It is a shareholder within the Bitwise XRP ETF, the REX-Osprey XRP ETF, and the Volatility Shares XRP ETF.
The buying and selling large additionally owns Volatility Shares 2X XRP ETF shares, in addition to huge put and calls in Volatility Shares ETFs. The firm joins monetary giants reminiscent of Goldman Sachs and Susquehanna in accumulating XRP.
Mubadala Boosts IBIT Holdings
Abu Dhabi sovereign wealth fund, Mubadala, additionally elevated its BlackRock Bitcoin ETF holdings by 46 %, based on its SEC report for the fourth quarter of 2025.
The fund has 12.7 million shares of IBIT value over $630 million as of December 31, 2025. This represents a rise of roughly 4 million shares from the 8.7 million it held within the earlier quarter. This elevated allocation by Mubadala contrasts with that of another institutional traders which have made reductions in the identical interval.
These acquisitions strengthen IBIT’s asset below administration as the largest spot Bitcoin ETF. According to the most recent AUM, the fund had roughly $52.4 billion, which confirms its management standing within the U.S. Bitcoin ETF market.
Giant Institutions Modify BlackRock Bitcoin ETF Exposure
The figures by Quiver Quant confirmed that a number of world banks and hedge funds additionally actively collected IBIT shares final quarter. Morgan Stanley owned 13.44 million IBIT shares, because it expanded its holdings by about 22% as of December 31, 2025. BlackRock reported 12.77 million shares, after a 23% enhance.
Barclays had 5.29 million shares, elevating its holdings by 22.73%. Susquehanna International Group now owns 3.93 million shares after a virtually 71% enhance in its IBIT holdings. However, Harvard Management Co (HMC) lowered its BlackRock Bitcoin ETF holdings by 21% and bought extra shares of the BlackRock Ethereum ETF (ETHA).
JPMorgan decreased its holdings by 42.7% and now holds 3.03 million IBIT shares. Goldman Sachs additionally diminished its publicity to carry 20.69 million shares, which represents a discount of greater than 39%.





